摘要
淮北矿业集团石台煤矿二水平二采区由于受火成岩的侵蚀,回采较为困难。通过采用合理的采煤方法,有效地解决了这一难题,确保了安全生产,并取得了良好的经济效益。
The second mining area of the second level is corroded by the igneous rock, mining is difficult. Through the reasonable mining method is applied, the difficult problem is sloved. The safety production is assured. The well econmic benefit is obtained.
出处
《煤炭技术》
CAS
2006年第7期38-39,共2页
Coal Technology
关键词
火成岩侵蚀
采煤方法
顶板管理
ingeous rock corrosion
mining coal method
roof management
